Overview Reviews Product Description HSS Black oxide finish 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Heavy web construction gives this drill higher torsional strength which allows it to be used in harder materials with heavier feed rates Black oxide surface treatment increases lubricant retention, wear resistance and reduces chip welding Clarkson Osborn Catalog Product Videos Custom Field Diameter 27/64" Flute length 3-15/16" Overall length 5-3/8" Package quantity/sold as each 5 Product Reviews Write a Review Write a Review × Clarkson-Osborn 27/64" HSS Heavy Duty Jobber Drill Bit DR74027 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *